1. Department of Allergology Zhongnan Hospital of Wuhan University Wuhan China
2. Department of Radiology Zhongnan Hospital of Wuhan University Wuhan China
3. Department of Gastroenterology Zhongnan Hospital of Wuhan University Wuhan China
4. Department of Infectious Disease No.7 Hospital of Wuhan Wuhan China
5. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zurich Davos Switzerland